/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraParameterMapHistory.h
Does this parameter start with the "Module" namespace? Note that the emitter namespace is an alias for all non-funcion/module script types and will be specialized to the function call node's name using the module.
namespace FNiagaraParameterUtilities { bool FNiagaraParameterUtilities::IsAliasedModuleParameter ( const [FNiagaraVariable](API\Plugins\Niagara\FNiagaraVariable) & InVar ) }